T8 fluorescent lighting can be operated at either low or high frequency and this control option forms part ofthe SBEM data collection and building performance assessment process.
Flicker on the view screens of electronic devices such as cameras or phones may only be used as evidencefor low frequency.
Where T8 Lamps are being identified as having high frequency operation, as opposed to low frequency, thisshall be supported by the use of suitable images and/or documentary evidence in order to identify theoperation of the lamps.
In cases of inadequate evidence being available, the worst case assumption of low frequency operation shallbe assumed.
Mike Gordon
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